how to create an application in Flex?

Create a user interface using MXML to accept user-supplied keywords and display photos

Write a method and event handler using ActionScript
Request and handle RSS data from Flickr using Flex HTTPService
Create a bindable XML variable used to populate a Tile component
Cast data as XML
Create a namespace for the XML thumbnail and description data
Create an item renderer to display photo thumbnail and description in the Tile component
Create a custom component
Customize the application display

BABU PRIYAVRAT